An XML external entity (XXE) vulnerability in CommandCenterWebServices/.*?wsdl in Raritan CommandCenter Secure Gateway before 8.0.0 allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.
Conclusion & alert: CVE-2018-20687 is rated High Risk (69.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.53%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.59% | 2.53% | +0.94% |
| 2 | 2025-11-21 | 3.67% | 1.59% | -2.08% |
| 3 | 2025-11-18 | — | 3.67% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| raritan | commandcenter_secure_gateway | < 8.0.0 | cpe:2.3:a:raritan:commandcenter_secure_gateway:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/155359/Raritan-CommandCenter-Secure-Gateway-XML-Injection.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2019/Nov/11 | Mailing List Third Party Advisory |